Aaeon PFM-LNP Manual do Utilizador descarregar pdf (Página 24)

PC/104 CPU Module

P F M - L N P

Chapter 2 Quick Installation Guide 2-12

7

DTR#1

8

RI#1

9

GND

2.21 RS-232/422/485 Serial Port Connector (COM2)

Pin

Signal

1

DCD#2(422TXD-/485DATA-)

2

DSR#2

3

RXD2(422RXD+)

4

RTS#2

5

TXD2(422TXD+/485DATA+)

6

CTS#2

7

DTR#2(422RXD-)

8

RI#2/12V/5V

9

GND

2.22 RS-232 Serial Port Connector (COM3)

Pin

Signal

1

DCD#3

2

DSR#3

3

RXD3

4

RTS#3

5

TXD3

6

CTS#3

7

DTR#3

8

RI#3

9

GND

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 43 44

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